Lifetimes of antiferromagnetic magnons in two and three dimensions: experiment, theory, and numerics
S. P. Bayrakci, D. A. Tennant, Ph. Leininger, T. Keller, M. C. R. Gibson, S. D. Wilson, R. J. Birgeneau, B. Keimer.
Phys. Rev. Let. 111, 017204; published 03 July 2013
Bond randomness induced magnon decoherence in a spin-½ ladder compound
B. Náfrádi, T. Keller, H. Manaka, U. Stuhr, A. Zheludev, B. Keimer.
Phys. Rev. B 87 (2013) 020408; published 28 January 2013.
Roton-phonon interactions in superfluid 4He
B. Fåk, T. Keller, M. E. Zhitomirsky, A. L. Chernyshev.
Phys. Rev. Lett. 109 (2012), 155305; published 10 October 2012.
Low-Temperature Dynamics of Magnons in a Spin-1/2 Ladder Compound
B. Náfrádi, T. Keller, H. Manaka, A. Zheludev, B. Keimer.
Phys. Rev. Lett. 106 (2011), 177202; published 25 April 2011.
Energy Gaps and Kohn Anomalies in Elemental Superconductors
P. Aynajian, T. Keller, L. Boeri, S. M. Shapiro, K. Habicht, B. Keimer.
Science 319 (2008), 1509